{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "257465",
    "entityType": "User",
    "nonce": "0x6dbd238b59f5e01931f9e784b9df391abf4b6cda15b65393dc9fea80099851f7",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}